Cervical vertebra stretch device



FIG. 1 is a front view of cervical vertebra stretch device showing my new design.

FIG. 2 is a rear view thereof.

FIG. 3 is a right view thereof.

FIG. 4 is a left end view thereof.

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a cervical vertebra stretch device, as shown and described. 